/*
 * File: GameActivity.java
 * Copyright (c) 2011 Michael Schiebel. All rights reserved.
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *  
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.ikoloki.gl.sg;

import java.util.LinkedList;

/**
 * @author Michael Schiebel
 * 
 */

public class Node {
	private LinkedList<Node> myChildren = new LinkedList<Node>();
	private Node myParent = null;

	public void draw() {
		for (Node child : myChildren) {
			child.draw();
		}
	}

	public Node getParent() {
		return myParent;
	}

	public Node[] getChildren() {
		return (Node[]) myChildren.toArray();
	}

	public void addChild(Node child) {
		myChildren.add(child);
		child.myParent = this;
	}

	public void removeChild() {
		if (myParent != null) {
			myParent.myChildren.remove(this);
			myParent = null;
		}
	}

	public void finalize() {
		myChildren.clear();
		removeChild();
	}
}
